Telephonic communications – Telephone line or system combined with diverse electrical... – Remote control
Reexamination Certificate
2005-08-23
2005-08-23
Chan, Wing (Department: 2643)
Telephonic communications
Telephone line or system combined with diverse electrical...
Remote control
C379S102010
Reexamination Certificate
active
06934371
ABSTRACT:
Disclosed is a power control apparatus of a public telecommunication terminal which makes the public telecommunication terminal (e.g., a public telephone) disposed in every place provided with a power control program so that the public telecommunication terminal itself can turn on/off the power supplied thereto in an automatic way. The apparatus includes: a power control unit supplying holding power and operating power; a central control unit operated with the operating power supplied from the power control unit to thereby control a public communication function and for storing the information set on a power control program with which the power control unit is turned on or off; and an auxiliary control unit operated with the holding power supplied from the power control unit and for downloading the information set on the power control program stored in the central control unit with which the power control unit is turned on or off, wherein the auxiliary control unit compares current time with starting time among the information set in the power control program and if the current time corresponds to the starting time, turns the power control unit on such that the operating power is supplied to the central control unit; the central control unit controls the power control unit if the current time corresponds to ending time among the information set on the power control program such that the power control unit is in a standby state and at the same time, completes the operation itself; and the power control unit is turned on under the control of the auxiliary control unit to thereby supply the operating power to the central control unit or is turned off under the control of the central control unit to thereby cut off the supply of the operating power to the central control unit such that the operation of the central control unit is completed.
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patent: 4837813 (1989-06-01), Terajima
patent: 5812643 (1998-09-01), Schelberg et al.
patent: 6307463 (2001-10-01), Chou
patent: 6721400 (2004-04-01), Schelberg et al.
Chan Wing
Dann Dorfman Herrell and Skillman, P.C.
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